Difference between revisions of "Chasmic archeopyle"

From dinoflaj3
Jump to: navigation, search
 
(No difference)

Latest revision as of 14:13, 2 December 2016

An excystment opening which is formed by a linear to slightly curved rupture, usually in a median position. No operculum is developed. See also archeopyle. Refer to Text-Figure 44E.